CMR-9355: Updating CMR UMM-C to update descriptions

[eereiter]

Overview

What is the feature/fix?

Updated UMM-C to enhance descriptions for MMT and to add geo+json as a mimetype.

What is the Solution?

Updated UMM-C to enhance descriptions for MMT and to add geo+json as a mimetype.

What areas of the application does this impact?

UMM-C; umm-spec-lib

Checklist

• I have updated/added unit and int tests that prove my fix is effective or that my feature works
• New and existing unit and int tests pass locally and remotely
• clj-kondo has been run locally and all errors corrected
• I have removed unnecessary/dead code and imports in files I have changed
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have cleaned up integration tests by doing one or more of the following:
  • migrated any are2 tests to are3 in files I have changed
  • de-duped, consolidated, removed dead int tests
  • transformed applicable int tests into unit tests
  • refactored to reduce number of system state resets by updating fixtures (use-fixtures :each (ingest/reset-fixture {})) to be :once instead of :each